fix: 避免幂等发布重复执行

- src/deploy-runs/deploy-run.repository.ts: 返回发布单是否新建，唯一键竞争时回读已有记录
- src/deploy-runs/deploy-runs.service.ts: 重复 idempotencyKey 只返回已有发布单并记录复用审计，不再重复触发 Jenkins

src/deploy-runs/deploy-run.repository.ts

@@ -49,6 +49,14 @@ type DeployRunRecord = Prisma.DeployRunGetPayload<{
   };
 }>;
 type DeployRunDatabaseClient = PrismaService | Prisma.TransactionClient;
+type CreateDeployRunResult = {
+  run: DeployRunSummary;
+  created: boolean;
+};
+type CreateDatabaseDeployRunResult = {
+  record: DeployRunRecord;
+  created: boolean;
+};
 
 type DeployRunMetadata = Prisma.InputJsonObject & {
   jenkinsBuildUrl?: string;
@@ -143,16 +151,19 @@ export class DeployRunRepository {
     return run ? this.toSummary(run) : null;
   }
 
-  async create(input: CreateDeployRunInput): Promise<DeployRunSummary> {
+  async create(input: CreateDeployRunInput): Promise<CreateDeployRunResult> {
     const idempotencyKey = this.resolveIdempotencyKey(input);
 
     if (!this.useDatabase()) {
       return this.createMemoryRun(input, idempotencyKey);
     }
 
-    const created = await this.createDatabaseRun(input, idempotencyKey);
+    const result = await this.createDatabaseRun(input, idempotencyKey);
 
-    return this.toSummary(created);
+    return {
+      run: this.toSummary(result.record),
+      created: result.created,
+    };
   }
 
   async updateStatus(
@@ -437,7 +448,7 @@ export class DeployRunRepository {
   private async createDatabaseRun(
     input: CreateDeployRunInput,
     idempotencyKey: string,
-  ): Promise<DeployRunRecord> {
+  ): Promise<CreateDatabaseDeployRunResult> {
     try {
       return await this.prisma.$transaction(async (tx) => {
         const existing = await this.findRecordByIdempotencyKey(
@@ -446,14 +457,17 @@ export class DeployRunRepository {
         );
 
         if (existing) {
-          return existing;
+          return {
+            record: existing,
+            created: false,
+          };
         }
 
         const target = await this.findTargetProjectEnvironment(input, tx);
         const initialRun = this.buildInitialRun(input, idempotencyKey);
         const metadata = this.inputMetadata(input);
 
-        return tx.deployRun.create({
+        const record = await tx.deployRun.create({
           data: {
             projectId: target.project.id,
             environmentId: target.environment.id,
@@ -483,13 +497,21 @@ export class DeployRunRepository {
             },
           },
         });
+
+        return {
+          record,
+          created: true,
+        };
       });
     } catch (error) {
       if (this.isIdempotencyUniqueConflict(error)) {
         const existing = await this.findRecordByIdempotencyKey(idempotencyKey);
 
         if (existing) {
-          return existing;
+          return {
+            record: existing,
+            created: false,
+          };
         }
       }
 
@@ -565,16 +587,22 @@ export class DeployRunRepository {
   private createMemoryRun(
     input: CreateDeployRunInput,
     idempotencyKey: string,
-  ): DeployRunSummary {
+  ): CreateDeployRunResult {
     const existing = this.memoryRuns.find((run) => run.id === idempotencyKey);
 
     if (existing) {
-      return existing;
+      return {
+        run: existing,
+        created: false,
+      };
     }
 
     const run = this.buildInitialRun(input, idempotencyKey);
     this.memoryRuns.unshift(run);
-    return run;
+    return {
+      run,
+      created: true,
+    };
   }
 
   private buildInitialRun(

src/deploy-runs/deploy-runs.service.ts

@@ -114,11 +114,12 @@ export class DeployRunsService {
 
     const project = await this.projectsService.getProject(input.projectKey);
     await this.validateReleaseRequest(input, project);
-    const run = await this.deployRunRepository.create(input);
+    const creation = await this.deployRunRepository.create(input);
+    const run = creation.run;
     const confirmation = this.productionConfirmationDigest(input);
 
     await this.auditService.record({
-      action: 'DEPLOY_REQUESTED',
+      action: creation.created ? 'DEPLOY_REQUESTED' : 'DEPLOY_REQUEST_REUSED',
       resourceType: 'deploy_run',
       resourceId: run.id,
       actorName: input.operator,
@@ -132,6 +133,10 @@ export class DeployRunsService {
       },
     });
 
+    if (!creation.created) {
+      return run;
+    }
+
     return this.deployExecutionService.execute(run, project);
   }